FSI Assessment Methodology & Canopy Classifications
Conducted biennially using ISRO's ResourceSat LISS-III multi-spectral satellite sensors, FSI classifies forest cover into Very Dense Forest (canopy >= 70%), Moderately Dense Forest (40% to 70%), and Open Forest (10% to 40%). The assessment also monitors Mangroves, Trees Outside Forests (TOF), bamboo resources, and forest carbon stock exceeding 7,200 million tonnes.
30 High-Yield Practice MCQs with Hidden Answers & Explanations
Test your knowledge of forest canopy classifications, state-wise forest data, National Forest Policy 1988 mandates, mangrove delta ecology, CAMPA funds, and forest carbon pools with these 30 practice questions.
- (A) Wildlife Institute of India (WII)
- (B) Forest Survey of India (FSI), Dehradun
- (C) Botanical Survey of India (BSI)
- (D) National Biodiversity Authority
View Answer & Explanation
Forest Survey of India, headquartered in Dehradun, Uttarakhand, conducts biennial satellite-based national forest assessments since 1987.
- (A) 1975
- (B) 1987
- (C) 1992
- (D) 2000
View Answer & Explanation
The first assessment was published in 1987 using Landsat satellite data; the report is published once every two years (biennial).
- (A) 20% of geographical area
- (B) 25% of geographical area
- (C) 33% of geographical area (one-third of total land area)
- (D) 50% of geographical area
View Answer & Explanation
The National Forest Policy, 1988 set the national goal of maintaining 33% of India's total land area under forest or tree cover (and 66% in mountainous and hill regions).
- (A) Canopy density between 10% and 40%
- (B) Canopy density between 40% and 70%
- (C) All lands with tree canopy density of 70% and above
- (D) Canopy density of 100% strictly
View Answer & Explanation
Very Dense Forest represents pristine, highly closed forest canopy cover of 70% or more, critical for biodiversity and catchment hydrology.
- (A) 10% to 40%
- (B) 40% to 70% canopy density
- (C) 70% to 90%
- (D) Less than 10%
View Answer & Explanation
Moderately Dense Forest covers land with tree canopy density ranging from 40% to 70%.
- (A) Less than 5%
- (B) Tree canopy density between 10% and 40%
- (C) Canopy density above 50%
- (D) Grasslands with no trees
View Answer & Explanation
Open Forest consists of forest lands where tree canopy cover is between 10% and 40%.
- (A) Open Forest
- (B) Scrub
- (C) Non-Forest
- (D) Waste Land
View Answer & Explanation
Degraded forest lands with canopy cover below 10% are classified as Scrub and excluded from the net forest cover tally.
- (A) Arunachal Pradesh
- (B) Madhya Pradesh
- (C) Chhattisgarh
- (D) Odisha
View Answer & Explanation
Madhya Pradesh consistently has the largest area-wise forest cover in the country, followed by Arunachal Pradesh and Chhattisgarh.
- (A) Meghalaya
- (B) Mizoram
- (C) Nagaland
- (D) Arunachal Pradesh
View Answer & Explanation
Mizoram leads all Indian states with over 84.5% of its total land area under forest cover, followed by Arunachal Pradesh and Meghalaya.
- (A) Andaman and Nicobar Islands
- (B) Lakshadweep (due to coconut palm canopy)
- (C) Puducherry
- (D) Ladakh
View Answer & Explanation
Lakshadweep registers over 90% forest cover due to dense coconut groves, while Andaman & Nicobar features roughly 82% tropical rainforest cover.
- (A) Gujarat
- (B) West Bengal (Sundarbans)
- (C) Andhra Pradesh
- (D) Odisha
View Answer & Explanation
West Bengal holds the largest mangrove cover in the world's largest deltaic mangrove forest, the Sundarbans, followed by Gujarat.
- (A) Maharashtra
- (B) Gujarat
- (C) Tamil Nadu
- (D) Kerala
View Answer & Explanation
Gujarat's arid and marine mangroves cover over 1,175 sq km, anchoring coastal mudflats in the Gulf of Kutch.
- (A) 2,000 million tonnes
- (B) Over 7,200 Million Tonnes of Carbon
- (C) 15,000 million tonnes
- (D) 500 million tonnes
View Answer & Explanation
Forest carbon stock comprises five pools: above-ground biomass, below-ground biomass, dead wood, litter, and soil organic carbon (SOC).
- (A) Above-ground biomass (tree trunks and leaves)
- (B) Soil Organic Carbon (SOC)
- (C) Dead wood
- (D) Forest litter
View Answer & Explanation
Soil Organic Carbon stored in the top 30 cm of forest soil constitutes the largest carbon reservoir in forest ecosystems.
- (A) Trees growing in private plant nurseries
- (B) Tree patches and isolated trees outside recorded forest areas that are less than 1 hectare in size
- (C) Agricultural fruit orchards exclusively
- (D) Potted plants in urban homes
View Answer & Explanation
Forest Cover comprises patches of 1 hectare or more with canopy >= 10%; Tree Cover measures isolated trees, roadside avenues, and canal banks under 1 hectare.
- (A) Around 19%
- (B) Around 24.6% to 25.0%
- (C) Around 33%
- (D) Around 40%
View Answer & Explanation
Forest cover represents roughly 21.7% and tree cover represents roughly 2.9%, combining to approximately 24.62% of India's landmass.
- (A) Trees planted in foreign countries
- (B) All trees growing outside legally recorded forest areas (RFAs), including farm agroforestry, urban parks, and linear plantations along highways
- (C) Dead fallen logs
- (D) Plastic decorative trees
View Answer & Explanation
TOF contributes over 38% of India's total timber output and forms a crucial expansion area for carbon sequestration.
- (A) Cartosat-3
- (B) ResourceSat-2 / 2A (LISS-III sensor with 23.5-meter spatial resolution)
- (C) INSAT-3D
- (D) Oceansat-3
View Answer & Explanation
LISS-III sensor data allows precise wall-to-wall mapping of forest canopy boundaries down to 1-hectare minimum mapping units.
- (A) 24th Amendment Act, 1971
- (B) 42nd Constitutional Amendment Act, 1976
- (C) 44th Amendment Act, 1978
- (D) 73rd Amendment Act, 1992
View Answer & Explanation
The 42nd Amendment placed forests under Entry 17A of the Concurrent List, empowering Parliament to enact uniform national conservation laws.
- (A) Article 40
- (B) Article 44
- (C) Article 48A
- (D) Article 51A
View Answer & Explanation
Inserted by the 42nd Amendment Act in 1976, Article 48A places a constitutional duty on the State to protect forests and ecology.
- (A) Article 51A(a)
- (B) Article 51A(e)
- (C) Article 51A(g)
- (D) Article 51A(k)
View Answer & Explanation
Article 51A(g) states that it shall be the duty of every citizen to protect and improve the natural environment and have compassion for living creatures.
- (A) Indian Forest Act, 1927
- (B) Forest (Conservation) Act, 1980 (amended in 2023 as Van Sanrakshan Evam Samvardhan Adhiniyam)
- (C) Environment (Protection) Act, 1986
- (D) Biological Diversity Act, 2002
View Answer & Explanation
The Act brought all diversion of forest land under strict central scrutiny, slashing the rate of annual forest loss drastically.
- (A) A private timber logging firm
- (B) A statutory authority that manages compensatory afforestation funds collected from project developers whenever forest land is diverted for infrastructure
- (C) An international environmental charity
- (D) A municipal park maintenance committee
View Answer & Explanation
CAMPA oversees over ₹50,000 crore in funds disbursed to state forest departments for compensatory afforestation and wildlife corridor protection.
- (A) Agni Alert
- (B) FAST 3.0 / Van Agni Geo-portal
- (C) Forest Sentinel
- (D) Vayu Rakshak
View Answer & Explanation
FSI utilizes NASA MODIS and SNPP-VIIRS satellite thermal sensor feeds to detect active forest fires, sending automated SMS alerts to forest rangers within minutes.
- (A) Assam
- (B) Madhya Pradesh
- (C) Arunachal Pradesh
- (D) Maharashtra
View Answer & Explanation
Madhya Pradesh possesses the largest total bamboo-bearing area, followed by Arunachal Pradesh, Maharashtra, and Odisha.
- (A) 2010
- (B) 2014
- (C) 2017
- (D) 2020
View Answer & Explanation
The 2017 amendment reclassified bamboo grown outside forests as a grass, freeing farmers from felling and transit permit regulations to boost the bamboo economy.
- (A) PESA Act, 1996
- (B) Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006 (FRA)
- (C) Land Acquisition Act, 2013
- (D) Wildlife Protection Act, 1972
View Answer & Explanation
The Forest Rights Act recognizes individual and community forest rights (CFR), granting gram sabhas ownership over non-timber forest produce.
- (A) Chemical contamination levels
- (B) The measure of organic carbon stored in forest soils from decomposed leaf litter and roots, serving as a vital long-term carbon sink and soil fertility index
- (C) The presence of oil and coal deposits
- (D) Soil moisture exclusively
View Answer & Explanation
Forest soils hold over half of India's total forest carbon, with Himalayan moist temperate forests showing the highest SOC densities.
- (A) Reserve Forests
- (B) Sacred Groves (e.g. Devarakadu in Karnataka, Orans in Rajasthan, Law Kyntang in Meghalaya)
- (C) Village Woodlots
- (D) Commercial plantations
View Answer & Explanation
Sacred groves represent traditional community conservation, preserving virgin gene pools of rare medicinal plants across India.
- (A) Restoring 5 million hectares
- (B) Restoring 26 Million Hectares of deforested and degraded land by 2030
- (C) Restoring 50 million hectares
- (D) Planting trees only along coastlines
View Answer & Explanation
At the UNCCD COP14 in New Delhi in 2019, India raised its restoration target from 21 million to 26 million hectares, creating additional carbon sinks.
Frequently Asked Questions (FAQs)
Which Indian state has the largest forest cover by area?
Madhya Pradesh has the largest forest cover in terms of area in India, followed by Arunachal Pradesh, Chhattisgarh, Odisha, and Maharashtra.
What is the difference between Forest Cover and Tree Cover in the ISFR?
Forest Cover refers to all land patches of 1 hectare or more with a tree canopy density of 10% or more, regardless of land ownership. Tree Cover refers to isolated trees and small patches less than 1 hectare outside recorded forest areas.